THANKS, Actually, once i broke the tube off of the plastic fitting on the rear of the wiper apparatus, i could blow air thru the line without difficulty, leading me to believe that the check valve was ok and that it must be in the nozzle itself. Of course, now that I've broken that little plastic co...

I was trying to remove the hose from the plastic valve fitting on the inside (back) of the rear window windshield wiper/spray assembly and it snapped off. This occurred while trouble shooting the loss of fluid to the rear windshield washer spray nozzle. I had taken the plastic housings off to troubl...